| /*************************************************************************/ /*! |
| @File vmm_pvz_server.c |
| @Title VM manager server para-virtualization handlers |
| @Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved |
| @Description Header provides VMM server para-virtz handler APIs |
| @License Dual MIT/GPLv2 |
| |
| The contents of this file are subject to the MIT license as set out below. |
| |
| Permission is hereby granted, free of charge, to any person obtaining a copy |
| of this software and associated documentation files (the "Software"), to deal |
| in the Software without restriction, including without limitation the rights |
| to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| copies of the Software, and to permit persons to whom the Software is |
| furnished to do so, subject to the following conditions: |
| |
| The above copyright notice and this permission notice shall be included in |
| all copies or substantial portions of the Software. |
| |
| Alternatively, the contents of this file may be used under the terms of |
| the GNU General Public License Version 2 ("GPL") in which case the provisions |
| of GPL are applicable instead of those above. |
| |
| If you wish to allow use of your version of this file only under the terms of |
| GPL, and not to allow others to use your version of this file under the terms |
| of the MIT license, indicate your decision by deleting the provisions above |
| and replace them with the notice and other provisions required by GPL as set |
| out in the file called "GPL-COPYING" included in this distribution. If you do |
| not delete the provisions above, a recipient may use your version of this file |
| under the terms of either the MIT license or GPL. |
| |
| This License is also included in this distribution in the file called |
| "MIT-COPYING". |
| |
| EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS |
| PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING |
| BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR |
| PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR |
| COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER |
| IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
| CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| */ /**************************************************************************/ |
| |
| #include "pvrsrv.h" |
| #include "img_types.h" |
| #include "pvrsrv_error.h" |
| |
| #include "vz_support.h" |
| #include "vz_vm.h" |
| #include "vmm_pvz_server.h" |
| #include "vz_physheap.h" |
| |
| |
| static inline void |
| PvzServerLockAcquire(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| OSLockAcquire(psPVRSRVData->hPvzConnectionLock); |
| } |
| |
| static inline void |
| PvzServerLockRelease(void) |
| { |
| PVRSRV_DATA *psPVRSRVData = PVRSRVGetPVRSRVData(); |
| OSLockRelease(psPVRSRVData->hPvzConnectionLock); |
| } |
| |
| |
| /* |
| * =========================================================== |
| * The following server para-virtualization (pvz) functions |
| * are exclusively called by the VM manager (hypervisor) on |
| * behalf of guests to complete guest pvz calls |
| * (guest -> vm manager -> host) |
| * =========================================================== |
| */ |
| |
| PVRSRV_ERROR |
| PvzServerCreateDevConfig(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID, |
| IMG_UINT32 *pui32IRQ, |
| IMG_UINT32 *pui32RegsSize, |
| IMG_UINT64 *pui64RegsCpuPBase) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_CREATEDEVICECONFIG); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzCreateDevConfig(ui32OSID, |
| ui32DevID, |
| pui32IRQ, |
| pui32RegsSize, |
| pui64RegsCpuPBase); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerDestroyDevConfig(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_DESTROYDEVICECONFIG); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzDestroyDevConfig(ui32OSID, ui32DevID); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerCreateDevPhysHeaps(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID, |
| IMG_UINT32 *peHeapType, |
| IMG_UINT64 *pui64FwSize, |
| IMG_UINT64 *pui64FwAddr, |
| IMG_UINT64 *pui64GpuSize, |
| IMG_UINT64 *pui64GpuAddr) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_CREATEDEVICEPHYSHEAPS); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzCreateDevPhysHeaps(ui32OSID, |
| ui32DevID, |
| peHeapType, |
| pui64FwSize, |
| pui64FwAddr, |
| pui64GpuSize, |
| pui64GpuAddr); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerDestroyDevPhysHeaps(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_DESTROYDEVICEPHYSHEAPS); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzDestroyDevPhysHeaps(ui32OSID, ui32DevID); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerMapDevPhysHeap(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID, |
| IMG_UINT64 ui64Size, |
| IMG_UINT64 ui64PAddr) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_MAPDEVICEPHYSHEAP); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzRegisterFwPhysHeap(ui32OSID, |
| ui32DevID, |
| ui64Size, |
| ui64PAddr); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerUnmapDevPhysHeap(IMG_UINT32 ui32OSID, |
| IMG_UINT32 ui32FuncID, |
| IMG_UINT32 ui32DevID) |
| { |
| PVRSRV_ERROR eError; |
| |
| PVR_ASSERT(ui32FuncID == PVZ_BRIDGE_UNMAPDEVICEPHYSHEAP); |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzUnregisterFwPhysHeap(ui32OSID, ui32DevID); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| |
| /* |
| * ============================================================ |
| * The following server para-virtualization (pvz) functions |
| * are exclusively called by the VM manager (hypervisor) to |
| * pass side band information to the host (vm manager -> host) |
| * ============================================================ |
| */ |
| |
| PVRSRV_ERROR |
| PvzServerOnVmOnline(IMG_UINT32 ui32OSID, IMG_UINT32 ui32Priority) |
| { |
| PVRSRV_ERROR eError; |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzOnVmOnline(ui32OSID, ui32Priority); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerOnVmOffline(IMG_UINT32 ui32OSID) |
| { |
| PVRSRV_ERROR eError; |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzOnVmOffline(ui32OSID); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| } |
| |
| PVRSRV_ERROR |
| PvzServerVMMConfigure(VMM_CONF_PARAM eVMMParamType, IMG_UINT32 ui32ParamValue) |
| { |
| PVRSRV_ERROR eError; |
| |
| PvzServerLockAcquire(); |
| |
| eError = SysVzPvzVMMConfigure(eVMMParamType, ui32ParamValue); |
| PVR_ASSERT(eError == PVRSRV_OK); |
| |
| PvzServerLockRelease(); |
| |
| return eError; |
| |
| } |
| |
| /****************************************************************************** |
| End of file (vmm_pvz_server.c) |
| ******************************************************************************/ |